Lumosity - Discover what your mind can do. Improve memory, increase focus, and find calm - with the #1 brain training app. Get started now.
NumberDrop - A uniquely challenging math puzzle game.
Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.
HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.
Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.
Sum Fun - A fun number puzzle game for iPhone and iPad.